| Date | Tournament | State | Round | Joan Colburt | Barbara Gray |
|---|---|---|---|---|---|
| 28/08/1994 | Queensland Championships | QLD | 6 | 470 | 347 |
| 25/08/1996 | Queensland Scrabble Championships | QLD | 3 | 400 | 350 |
| 07/12/1997 | Southport | QLD | 4 | 483 | 335 |
| 31/10/1998 | Redland Bay | QLD | 3 | 419 | 351 |
| Head-to-head after 4 games | 4 | 0 | |||
| Average score | 443.00 | 345.75 | |||
| Spread | 389 | -389 | |||